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View Manufacturers Film

Sat, 02/25/2012 - 21:14

Necessary equipment at the site is a vacuum membrane press. Structurally, the press consists of a table that is hosting the workpiece; heater used to heat the film, as well as a vacuum system that provides for the establishment of uniform pressure on the film. Blanks with pre-coated and dried adhesive are placed evenly on the surface of a table on special linings, commensurate with the workpiece, to allow for stretching of the film and a more complete encirclement of its preparation. With the same purpose between the workpieces is maintained special technological gaps. After that, over the whole plane table is fixed and fixed pressure strip of PVC film. Different designs require different presses the principle of matching table and heater.

In some presses movable table is in Other - heater. By the principle of distinction contact heating, the film is in direct contact with the heater, and non-invasive, or infrared, a way of warming up. The end result should provide uniform heating of the film to a certain temperature recommended by the manufacturer of decorative PVC films. The heating temperature in the membrane reaches the press - the maximum - 160oS, at least - 140oS. Non-contact infrared heating method provides a quick and uniform heating of the film to a temperature recommended by View Manufacturers. After heating the film begins evacuation phase. This includes removal of air from the cavity between the surface of the table and stretched over blanks film. As a result of atmospheric pressure with a force of 950 kg/m2 evenly presses the heated film to the surfaces of workpieces arranged on the table, and the temperature, the accumulated film, it activates the adhesive layer.